Other names:
僕と先輩の鉄拳交際; Boku to Sempai no Tekken Kousai; Mine and Senior's Iron Fist Association; Mine and Senpai's Iron Fist Association; Sie liebt gefährlich; У нас с сэмпаем кулачные отношения...; รักนี้ต้องมีหมัด; 我与前辈的铁拳交际; 我與前輩的鐵拳交際; 나와 선배의 철권교제
Himeko, an heiress of the largest company in Japan, however she always falls in love for the "violent" type of man. Shuu-chan her kouhai and only friend hates violence but has vowed to protect her, Just what is their real relationship?